ansi_toupper: ANSI character translation and case folding
In RonMobile/cli: Helpers for Developing Command Line Interfaces

Description Usage Arguments Value See Also Examples

There functions are similar to toupper(), tolower() and chartr(), but they keep the ANSI colors of the string.

ansi_toupper(x)

ansi_tolower(x)

ansi_chartr(old, new, x)

`x`	Input string. May have ANSI colors and styles.
`old`	a character string specifying the characters to be translated. If a character vector of length 2 or more is supplied, the first element is used with a warning.
`new`	a character string specifying the translations. If a character vector of length 2 or more is supplied, the first element is used with a warning.

Character vector of the same length as x, containing the translated strings. ANSI styles are retained.

Other ANSI string operations: ansi_align(), ansi_columns(), ansi_nchar(), ansi_strsplit(), ansi_strtrim(), ansi_strwrap(), ansi_substring(), ansi_substr(), ansi_trimws()

ansi_toupper(col_red("Uppercase"))

ansi_tolower(col_red("LowerCase"))

x <- paste0(col_green("MiXeD"), col_red(" cAsE 123"))
ansi_chartr("iXs", "why", x)